// 初始化代码
*{
    padding: 0px;
    margin: 0 auto;
    list-style: none;
    box-sizing: border-box;
}
a{
    text-decoration-line: none;
    color: black;
}
li{
    list-style: none;
}
.heard{
    width: 100%;
    height: 38px;
    background-color:rgb(255, 136, 31);
    position: relative;
}
.heard .left{
    position: absolute;
    background: url('../image/more.png') no-repeat;
    left: 10px;
    top: 10px;
    display: block;
    width: 20px;
    height: 20px;
    background-size: 20px 20px;
    transform: rotate(180deg);
    a{
        width: 100%;
        height: 100%;
        display: block;
    }

}
.heard span{
    color: white;
    font-size: 20px;
    line-height: 38px;
    margin: auto 39%;
}
.heard .right{
    position: absolute;
    background: url(../image/download.png);
    right: 10px;
    top: 6px;
    display: block;
    width: 30px;
    height: 30px;
    background-size: 30px 30px;
}
.main{
        width: 100%;
        ul{
            width: 100%;
            li{
                float: left;
                width:33.33%;
                height: 40px;
                border: 1px solid white;
                line-height: 40px;
                padding-left: 10px;
                background-color: rgb(250, 250, 250);
                i{
                    color: red;
                }
                span{
                    color: black;
                    font-size: 13px;
                }
            }
        }
    
}